linux-kernel - Re: [PATCH 2/3] arm64: allwinner: dts: h6: add pinmux for MMC1

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Message-ID: <20180724085639.2cebno52qfxrzmdw@flea>
Date:   Tue, 24 Jul 2018 10:56:39 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Icenowy Zheng <icenowy@...c.io>
Cc:     Chen-Yu Tsai <wens@...e.org>, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [PATCH 2/3] arm64: allwinner: dts: h6: add pinmux for MMC1

On Tue, Jul 24, 2018 at 09:15:50AM +0800, Icenowy Zheng wrote:
> The MMC1 controller on H6, in the reference design and most third party
> design, is used to connect SDIO Wi-Fi.
> 
> Add pinmux for it.
> 
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> ---
>  arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> index cfa5fffcf62b..ba1a3a3e2149 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> @@ -134,6 +134,14 @@
>  				bias-pull-up;
>  			};
>  
> +			mmc1_pins: mmc1-pins {
> +				pins = "PG0", "PG1", "PG2", "PG3",
> +				       "PG4", "PG5";
> +				function = "mmc1";
> +				drive-strength = <30>;
> +				bias-pull-up;
> +			};
> +

Is that the sole muxing option for MMC1? If so, it should be added to
the mmc1 node.

Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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